156865325 has 12 divisors (see below), whose sum is σ = 194684340. Its totient is φ = 125381760.

The previous prime is 156865283. The next prime is 156865327. The reversal of 156865325 is 523568651.

156865325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 36348841 + 120516484 = 6029^2 + 10978^2 .

It is not a de Polignac number, because 156865325 - 2¹⁴ = 156848941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156865327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37961 + ... + 41889.

It is an arithmetic number, because the mean of its divisors is an integer number (16223695).

Almost surely, 2^156865325 is an apocalyptic number.

It is an amenable number.

156865325 is a deficient number, since it is larger than the sum of its proper divisors (37819015).

156865325 is a wasteful number, since it uses less digits than its factorization.

156865325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536 (or 5531 counting only the distinct ones).

The product of its digits is 216000, while the sum is 41.

The square root of 156865325 is about 12524.5888156059. The cubic root of 156865325 is about 539.3147744359.

The spelling of 156865325 in words is "one hundred fifty-six million, eight hundred sixty-five thousand, three hundred twenty-five".